Marius Holtet (born August 31, 1984) is a Norwegian former professional ice hockey forward.

Most of his career, which lasted from 2000 to 2014, was spent with Färjestad BK in the Swedish Hockey League.

Internationally Holtet played for the Norwegian national team at several tournaments, including the 2010 Winter Olympics.

Holtet started his professional career in 2000 when he signed with Swedish Elitserien club Färjestads BK.

After the 2004-05 season, Holtet decided to sign with the Stars, who had drafted him three years earlier.